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- W2024451814 abstract "A statistical test is postulated for detecting, with an M-element hydrophone array, a Gaussian signal in spatially independent Gaussian noise of unknown power. The test is an extension of the uniformly-most-powerful (UMP) unbiased test for a two-element array. The output signal-to-noise ratio of the test is calculated and, for a large number of independent space-time samples, is shown to be no better than a mean-level detector (MLD). Receiver operating characteristic curves (ROC) for the MLD are computed and compared to the ROC curves for the optimum (Bayes) parametric detector. The input signal-to-noise power ratios required to provide a detection probability of 0.5 differ by less than 0.2 dB for a fifty-element array with wide variation in false-alarm probability and time-bandwidth product. This result suggests that both the extended bivariate UMP unbiased test and the MLD perform close to the unknown UMP unbiased test for independence of a multivariate Gaussian distribution." @default.
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- W2024451814 date "1974-01-01" @default.
- W2024451814 modified "2023-09-27" @default.
- W2024451814 title "Sonar Array Detection of Gaussian Signals in Gaussian Noise of Unknown Power" @default.
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- W2024451814 doi "https://doi.org/10.1109/taes.1974.307968" @default.
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